MINERAL B Rectangular Carbon Steel Grill-pan L.15" x 10.25" with 2 Stainless Steel Handles Easy handling ergonomic small size handles Undeform able thick skirt Ridges useful to reduce sticking surface All heat sources including induction and hot coals Preheat using oil or butter care season before first use deglaze and rinse with Warm water Dry and oil lightly store in a Dry place do not use detergents or put in the dishwasher Made in France